/*
 * YAJHFC - Yet another Java Hylafax client
 * Copyright (C) 2005-2011 Jonas Wolz <info@yajhfc.de>
 *
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *  
 *  Linking YajHFC statically or dynamically with other modules is making 
 *  a combined work based on YajHFC. Thus, the terms and conditions of 
 *  the GNU General Public License cover the whole combination.
 *  In addition, as a special exception, the copyright holders of YajHFC 
 *  give you permission to combine YajHFC with modules that are loaded using
 *  the YajHFC plugin interface as long as such plugins do not attempt to
 *  change the application's name (for example they may not change the main window title bar 
 *  and may not replace or change the About dialog).
 *  You may copy and distribute such a system following the terms of the
 *  GNU GPL for YajHFC and the licenses of the other code concerned,
 *  provided that you include the source code of that other code when 
 *  and as the GNU GPL requires distribution of source code.
 *  
 *  Note that people who make modified versions of YajHFC are not obligated to grant 
 *  this special exception for their modified versions; it is their choice whether to do so.
 *  The GNU General Public License gives permission to release a modified 
 *  version without this exception; this exception also makes it possible 
 *  to release a modified version which carries forward this exception.
 */
package yajhfc.phonebook.ui;

import java.util.Collection;
import java.util.Collections;

import yajhfc.phonebook.PhoneBookEntryList;
import yajhfc.phonebook.PhonebookEvent;
import yajhfc.phonebook.PhonebookEventListener;
import yajhfc.phonebook.convrules.PBEntryFieldContainer;

/**
 * @author jonas
 *
 */
public class PhoneBookTableModel extends PBEntryFieldTableModel implements
        PhonebookEventListener {

    protected PhoneBookEntryList phoneBook;
    
    /**
     * @param backingList
     */
    public PhoneBookTableModel(PhoneBookEntryList phoneBook) {
        super(null);
        setPhoneBook(phoneBook);
    }

    /* (non-Javadoc)
     * @see yajhfc.phonebook.PhonebookEventListener#elementsAdded(yajhfc.phonebook.PhonebookEvent)
     */
    public void elementsAdded(PhonebookEvent e) {
        int startIdx = -2;
        int endIdx = -2;
        for (int idx : e.getIndices()) {
            //Try to find continuous intervals
            if ((idx - endIdx) > 1) {
                if (endIdx >= 0) {
                    fireTableRowsInserted(startIdx, endIdx);
                }
                startIdx = endIdx = idx;
            } else {
                endIdx = idx;
            }
        }
        if (endIdx >= 0) {
            fireTableRowsInserted(startIdx, endIdx);
        }
    }

    /* (non-Javadoc)
     * @see yajhfc.phonebook.PhonebookEventListener#elementsChanged(yajhfc.phonebook.PhonebookEvent)
     */
    public void elementsChanged(PhonebookEvent e) {
        int startIdx = -2;
        int endIdx = -2;
        for (int idx : e.getIndices()) {
            //Try to find continuous intervals
            if ((idx - endIdx) > 1) {
                if (endIdx >= 0) {
                    fireTableRowsUpdated(startIdx, endIdx);
                }
                startIdx = endIdx = idx;
            } else {
                endIdx = idx;
            }
        }
        if (endIdx >= 0) {
            fireTableRowsUpdated(startIdx, endIdx);
        }
    }

    /* (non-Javadoc)
     * @see yajhfc.phonebook.PhonebookEventListener#elementsRemoved(yajhfc.phonebook.PhonebookEvent)
     */
    public void elementsRemoved(PhonebookEvent e) {
        int startIdx = -2;
        int endIdx = -2;
        for (int idx : e.getIndices()) {
            //Try to find continuous intervals
            if ((idx - endIdx) > 1) {
                if (endIdx >= 0) {
                    fireTableRowsDeleted(startIdx, endIdx);
                }
                startIdx = endIdx = idx;
            } else {
                endIdx = idx;
            }
        }
        if (endIdx >= 0) {
            fireTableRowsDeleted(startIdx, endIdx);
        }
    }

    public void phonebookReloaded(PhonebookEvent e) {
        fireTableDataChanged();
    }
    
    @Override
    public void addRow() {
        phoneBook.addNewEntry();
    }

    @Override
    public void addRow(PBEntryFieldContainer item) {
        phoneBook.addNewEntry(item);
    }

    @Override
    public void addRows(Collection<? extends PBEntryFieldContainer> newItems) {
        phoneBook.addEntries(newItems);
    }
    
    @Override
    public void removeRow(int index) {
        phoneBook.getEntries().get(index).delete();
    }

    public PhoneBookEntryList getPhoneBook() {
        return phoneBook;
    }
    
    public void setPhoneBook(PhoneBookEntryList phoneBook) {
        if (this.phoneBook != null) {
            this.phoneBook.removePhonebookEventListener(this);
        }
        
        this.phoneBook = phoneBook;
        
        if (phoneBook == null) {
            this.list = null;
        } else {
            this.list = Collections.<PBEntryFieldContainer>unmodifiableList(phoneBook.getEntries());
            phoneBook.addPhonebookEventListener(this);
        }
        
        fireTableDataChanged();
    }
}
